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ms=27g
mw=160g
mr=27g+160g=187g
Cp=ms*100%/mr
Cp=27g*100%/187=14,44%
187g - 100%
27g - x %
x=2700:187 ~14,43%
Odp: Procentowe stężenie chlorku potasu w roztworze to 14,43%